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A world of languages - and how many speak them https://t.co/goSX1GKWQ4
Next month marks the 50th anniversary of NASA’s 1969 mission, which landed astronauts Neil Armstrong and Buzz Aldrin on the Moon. To celebrate, LEGO will release a 1,087-piece replica of the Apollo 11 Lunar Module https://t.co/hkqKmtVXTq
The Great Lake system profile vs the Atlantic Ocean vs Lake Baikal [source: https://t.co/y3eA9BRn8n] [Great Lakes only: https://t.co/DY1N5NThCk]
This brilliant gif by Eleanor Lutz shows how different animals breathe https://t.co/nveW0p0w7o
Bats and dolphins evolved echolocation in the same way (down to the molecular level). An analysis revealed that 200 genes had independently changed in the same way and this is an extreme example of convergent evolution https://t.co/dK4loETTMG
The number of finger joints on each hand (excluding the thumb) makes it possible to count to 12 by using the thumb. Egyptians and Babylonians were fond of counting in base twelve like this and this is why we have 24 hours in a day & 60 minutes in an hour https://t.co/zIZ5sMvBZq
This is not a spiral: what you see is a series of concentric circle and the reason is the so called Fraser spiral illusion https://t.co/yszVkLn4F9 [this version is by @AkiyoshiKitaoka: https://t.co/WMk9a4FN9p]
Stunning iridescent clouds captured by photographer Oleg Bartunov on the early morning of October 18, 2009 over Mt. Thamserku from trail to Khumjung, just 500 meters from road fork to Gokyo and Tengboche, Himalayas, Nepal https://t.co/edBrAEkqxM
Stare at the red dot on her nose for 30 seconds, then look at a plain wall while blinking fast and discover what is an afterimage https://t.co/CXH5fLqur0